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IP82C55A

V compatible peripheral device

Inventory:6,331

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Overview of IP82C55A

The IP82C55A is a high-performance CMOS programmable peripheral interface IC that provides versatile parallel I/O expansion for microprocessor-based systems. It features three 8-bit parallel I/O ports and can be easily interfaced with a variety of microcontrollers and digital systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • PA0-PA7: Port A bidirectional data lines
  • PB0-PB7: Port B bidirectional data lines
  • PC0-PC7: Port C bidirectional data lines
  • A0-A1: Address inputs for internal registers
  • CS: Chip select input
  • RD: Read control input
  • WR: Write control input
  • ALE: Address latch enable output
  • IRQ: Interrupt request output
  • Vcc: Positive power supply
  • Vss: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the IP82C55A IC for a visual representation.

Key Features

  • Three 8-Bit I/O Ports: The IP82C55A provides versatile I/O functionality with three separate 8-bit ports for enhanced parallel data transfer.
  • Mode Selection: It supports various operating modes including simple I/O, strobed I/O, and bidirectional bus configurations, offering flexibility in interfacing with different systems.
  • Interrupt Capability: The IC is equipped with interrupt control capability to signal microprocessors for priority data handling.
  • High-Speed Operation: With CMOS technology, the IP82C55A operates at high speeds, making it suitable for demanding applications.
  • Wide Operating Voltage Range: It operates within a wide voltage range, typically from 4.5V to 5.5V, ensuring compatibility with various digital systems.

Note: For detailed technical specifications, please refer to the IP82C55A datasheet.

Application

  • Parallel I/O Expansion: Ideal for expanding the I/O capabilities of microprocessor-based systems through parallel interfacing.
  • Digital Input/Output: The IP82C55A can be used for interfacing digital sensors, displays, and other peripherals with microcontrollers.
  • Industrial Control Systems: Suitable for use in industrial control and automation systems requiring versatile I/O functionality.

Functionality

The IP82C55A is designed to enhance the parallel I/O capabilities of digital systems by providing three 8-bit ports with flexible mode selection and interrupt handling for efficient data transfer and control.

Usage Guide

  • Power Supply: Connect Vcc (Pin 22) to the positive power supply and Vss (Pin 11) to ground.
  • Mode Configuration: Use the address inputs A0 and A1 to select the desired operating mode based on the system requirements.
  • Data Transfer: Connect the bidirectional data lines of Port A, Port B, and Port C to the corresponding input/output devices.

Frequently Asked Questions

Q: What is the maximum operating frequency of the IP82C55A?
A: The IP82C55A can operate at high frequencies, typically in the range of several megahertz, depending on the system configuration.

Q: Is the IP82C55A compatible with 5V microcontrollers?
A: Yes, the IP82C55A is designed to operate within the standard 5V logic levels and is compatible with 5V microcontroller systems.

Equivalent

For similar functionalities, consider these alternatives to the IP82C55A:

  • 8255: This is a popular parallel I/O interface IC with similar functionality and mode selection capabilities.
  • Z84C30: This is a versatile parallel I/O controller with interrupt handling and wide operating voltage range.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Interface - I/O Expanders RoHS N
Series 82C55 Mounting Style Through Hole
Package / Case PDIP-40 Brand Renesas / Intersil
Product Type I/O Expanders Factory Pack Quantity 9
Subcategory Interface ICs Unit Weight 0.219404 oz

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IP82C55A

V compatible peripheral device

Inventory:

6,331